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Wopanga Ferroalloy amakupatsani gawo latsatanetsatane lazogwiritsidwa ntchito kwa spheroidizer/nodularizer

Zotsatira zaspheroidizer(nodularizer)pachitsulo chosungunuka ndi pawiri:

1, Dziko losowa kwambiri ngati nodulating wothandizira wosungunuka muchitsulo chosungunula limakhudza kwambiri mapangidwe a carbide.Ndi chinthu cha antigraphitized. chitsulo.Chepetsani;Ngati kuchuluka kwake kuli kokulirapo, chizolowezi cha chitsulo chosungunula chidzakhala bwino.Zowoneka ngati zotsutsanazi sizimatsutsana.Ndi chifukwa chakuti maiko osowa amakhala ndi luso lamphamvu lophatikizana ndi sulfure ndi okosijeni.

cast iron1

2, pamenespheroidizerlili ndi zinthu zosowa zapadziko lapansi, sulfide yake ndi oxides ndizokhazikika kwambiri, kukula kwa tinthu tating'ono, ndizovuta kuyandama muchitsulo chosungunula. Kuphatikiza apo, kusagwirizana pakati pa zinthuzi ndi graphite lattice ndikochepa kwambiri ndipo kumatha kugwiritsidwa ntchito ngati ma precipitates osiyanasiyana. Magnesium okusayidi MgO ndi spheroidizing wothandizila ndi mkulu kusungunuka mfundo, wabwino bata ndi otsika solubility mu chitsulo chosungunula, koma pamene tinthu kukula ndi lalikulu pang'ono, izo tiyandama pamwamba kukhala zinyalala, kapena mwina nawo kuponyedwa kwa slag kuphatikizidwa.

cast iron2

Nodulizer(ReMgSiFe),ndi chizoloŵezi chomwe chingalimbikitse kupanga spheroidal graphite kuchokera ku zidutswa za graphite popanga.Itha kulimbikitsa ma graphite a spheroidal ndikuwonjezera kuchuluka kwa ma graphite a spheroidal kotero kuti makina awo amawongoleredwa bwino.Zotsatira zake, ductility ndi kulimba kwa zinthuzo zakhala zikuyenda bwino kuti mphamvu ndi ntchito zawo zikhale zolimba kwambiri.

The katundu osowa-dziko lapansinodularssangalalani ndi mphamvu zolimba zotsutsana ndi kuchepa kwachuma, kutsutsa-kusokoneza komanso kusokoneza popanga.Magnesia ake amayendetsedwa mkati mwa 0.6%.Ndi chitsulo chosungunula chokhazikika komanso ukadaulo wokhwima wa nodulizing, magnesium yotsalirayo imatha kuwongoleredwa mokhazikika.


Nthawi yotumiza: Jun-16-2022